According to my records, Bill Clinton has an average size penis. It is also alleged to be of a curving sort, curves strangely enough to the right

. Further investigations show that Monica Lewinsky drew a picture of it for Ken Starr who smirked upon first viewing it. He then reported this finding to Newt Gingrich (who has a whopping 17 incher of his own-his dildo).
One thing which is known, is that the reason which Bill Clinton won both elections was that Al Gore was packing huge meat. A review of Presidential elections has shown that the man with the biggest penis has always won. Turns out that part of the problem with Gore and Bush a few years back was the flacid/erect and length/girth matter. Bush is slightly longer when erect than Gore but Gore is slightly larger in circumfrence. In flacid state, Gore wins length and girth; however, Bush wins on the size of his balls. To add to the mix, Gore was circumcised and Bush was not, which means Bush has more feelings.
As to Edwards, it's known he is packing as can be seen by his goofy smile.
*Sideline information-a few years back, it was revealed that some schools used to take nude photos of the students and this was apparently true at Yale, when Bush the elder attended. Here's the article from The New York Times:
THE GREAT IVY LEAGUE NUDE POSTURE PHOTO SCANDAL - New York Times If you can access those pictures, you may be able to get a better idea of what the current President Bumbles has in his trousers. Since Clinton also went to Yale, the practice of taking nude posture phtos may still have been going on. (other wise just do what I do and launch a google image search)
During the White House years, Leon Panetta was often brought in to satisfy Hillary's needs, probably yet another indication that Bill was useless. Add to this his outrage that Bill Richardson is not endorsing Hillary, it becomes clear that Richardson was also part of the sordid Lincoln Bedroom antics. It's known that Panetta has a large nose-so there is no doubt that he's very gifted in the penis department. Here we see just how close Bill and Leon were-
http://www.washingtonpost.com/wp-srv/politics/cassidy/images/19_Panetta1_600.j